RM

Ryoji Muraki

EC Eagle Industry Co.: 2 patents #1 of 4Top 25%
EB Ebara: 1 patents #87 of 266Top 35%
Overall (2002): #43,284 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6454268 Shaft seal device 2002-09-24
6425583 Rotary ring and mechanical seal using the same 2002-07-30